Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34653 | Heterocyclic spiro compounds and methods for preparing the same | Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada, Toshinari Tamura | 1994-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34653 | Heterocyclic spiro compounds and methods for preparing the same | Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada, Toshinari Tamura | 1994-07-05 |